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Required Machine Design freelancer for some questions re machine design job
Posted at - Feb 1, 2021
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I need a (leaf?) spring that can be compressed to an height of 2cm.
When released, the spring should be able to raise a load of 200kg to a height of 28cm in max 4 seconds.
Is there an off-the-shelf spring like that? Where can I buy it?
What if I use 4 springs instead of 1?
When released, each spring should be able to raise a load of 50kg to a height of 28cm in max 4 seconds.
Is there an off-the-shelf spring like that? Where can I buy it?
I need to use some electric motor to compress the spring(s) I use.
The motor should be able to compress the spring(s) to a height of 2cm in no more than 8 sec.
Is there an off-the-shelf motor with the needed power? Where can I buy it?
The motor can have any size, but try to keep the size small.
A 12V motor is preferred.
If possible, the motor should be naturally braked when switched off.
Both springs and motors should be off-the-shelf.
The cheaper the better.
The budget of $5 is just a placemark: I am ready to pay any reasonable sum.
About the recuiterMember since May 20, 2018 Vasanth Kalyan
from Oaxaca, Mexico
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